21110222

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19087}}^1$

素因数の和:19175

約数の個数: 16

約数和(自身を含む): 36648960

約数和(自身を除く): 15538738

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19087, 38174, 133609, 267218, 1507873, 3015746, 10555111, 21110222]

約数ペア:

[(1, 21110222), (2, 10555111), (7, 3015746), (14, 1507873), (79, 267218), (158, 133609), (553, 38174), (1106, 19087)]